<?php

class TagController extends BaseController
{

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model = new Tag();
		if(isset($_POST['Tag']))
		{
			$model->attributes=$_POST['Tag'];
			if($model->save()){
				//成功跳转
				$this->redirect(Yii::app()->request->urlReferrer);
			}
		}
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate()
	{
		$id = (int)$_POST['id'];
		$model=$this->loadModel($id);	
		
		if(isset($_POST['Tag']))
		{
			$model->attributes=$_POST['Tag'];
			if($model->save()){
				//成功跳转
				$this->redirect(Yii::app()->request->urlReferrer);
			}
		}
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete()
	{
		$id = (int)$_GET['id'];
		if($this->loadModel($id)->delete()){
			//成功跳转
			$this->redirect(Yii::app()->request->urlReferrer);
		}
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('Tag');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new Tag('search');
		$model->unsetAttributes();  // clear any default values
		$model->zt_title = '请输入关键字';
		if(isset($_GET['Tag'])){
			$model->attributes=$_GET['Tag'];
		}

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id)
	{
		$model=Tag::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='tag-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
}
